ADMIXTURES

1. ADMIXTURES

2. What are ADMIXTURES? Admixtures, in the context of construction and materials science, refer to a group of chemical or mineral additives that are incorporated into concrete, mortar, or other construction materials to modify their properties. These additives are used to enhance the performance, workability, durability, and other characteristics of the materials.

3. Types of ADMIXTURES • Water-Reducing Admixtures: These additives, also known as plasticizers or superplasticizers, are used to improve the workability of concrete without adding excessive water. They help reduce the water-cement ratio while maintaining or even increasing the fluidity of the mixture. This results in more durable and higher-strength concrete. • Air-Entraining Admixtures: These additives introduce tiny air bubbles into the concrete mixture, which increases its resistance to freeze-thaw cycles. The air voids allow room for expansion when water inside the concrete freezes, preventing cracking and damage. • Accelerators: Accelerating admixtures speed up the rate of hydration (the chemical reaction between water and cement) in concrete, resulting in faster setting and early strength gain. This can be particularly useful in cold weather conditions or when rapid construction is needed. • Retarders: Retarding admixtures, on the other hand, slow down the hydration process, extending the setting time of concrete. They are beneficial when working in hot weather or when there's a need for extended workability time.

4. Types Of ADMIXTURES • Pozzolanic Admixtures: These materials, such as fly ash and silica fume, are added to concrete to improve its durability and resistance to chemical attacks. They react with calcium hydroxide produced during the cement hydration process to form additional cementitious compounds. • Corrosion-Inhibiting Admixtures: These additives are used to protect steel reinforcement within concrete from corrosion, which can lead to structural deterioration. They work by forming a protective layer on the steel surface or by reducing the permeability of the concrete. • Coloring Admixtures: Coloring agents can be added to concrete to achieve a desired color or aesthetic effect. These additives are often used in decorative concrete applications. • Fiber-Reinforcing Admixtures: These admixtures introduce various types of fibers (such as steel, synthetic, or glass fibers) into the concrete mix to enhance its tensile strength, crack resistance, and impact resistance.

5. Jemkon Admixtures • Jemkon has the best wide range of admixtures for you concrete. • Admixtures are used in concrete to change its properties. • For Best quality admixtures contact Jemkon. • Contact No - +91 8956740753 • Email - enquire@jemkon.com • Website - Jemkon